12 Synthetic Filter Discs 90mm for a Buchner Funnel and Cut Them fit"Wide Mouth" Size Used for Mushroom Cultivation

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Keep moisture loss to a minimum and protect the contents of your laboratory items with a flexible covering sealing film for test tubes, beakers, petri dishes and more. Convenient, flexible and self-sealing - Parafilm M laboratory film is an essential item in health care, pharmaceutical and research labs. Efficient and cost-effective covering for: Test tubes, Beakers, Vials, Petri dishes, Flasks, Various other instruments and objects with irregular surfaces, Overwrap to further secure stoppers, lids and caps, and Shelf or tray liner to prevent slipping of bottles or instruments.

Protect the integrity of research applications with a tight moisture-barrier that holds a strong seal and doesn’t release from glassware, despite off-gassing
Reduce the risk of tampered data with a covering that is odorless, colorless and semi-transparent
Prevents moisture and volume loss due to material composition and tight seal
Flexible and self-sealing material allows it to cling around irregular shapes and surfaces
Stretches more than 200% of original length
Resistant up to 48 hours against many polar substances such as saline solutions, inorganic acids and alkaline solutions
Film Width: 2" (5 cm) Roll Length 250 ft (75 m)

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Parafilm M All Purpose Laboratory Film, 2 Inch Width x 250 Foot Roll Length, Semi-Transparent, Moisture Proof, Water Resistant, Non-Toxic, 200% Stretch Ability

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